* {
    margin: 0;
    padding: 0;
}
body {
    min-width: 1200px;
}
.cebian {
    background-color: pink;
    width: 180px;
    height: 420px;
    position: fixed;
    top: 50%;
    margin-left:-780px ;
    left: 50%;
    z-index: 999;
}
button {
    border: none;
}
.clearfix:before,
.clearfix:after {
	content: "";
	display: table;
}
.clearfix:after {
	clear: both;
}
.clearfix {
	*zoom: 1;
}
li {
    list-style: none;
}
a {
    text-decoration: none;
}
.w {
    width: 1200px;
    margin:0 auto;
    box-sizing: border-box;
}
.ding {
    background-color:#F3F5F7 ;
}
.head {
    height:42px ;
    /* background-color:#F3F5F7; */
    margin:30px auto;

}
.head .logo {
    float: left;
    margin-right: 70px;
}
.course li{
    height: 40px;
    font-size: 18px;
    float: left;
    margin-right:20px ;
    padding: 0 10px;
    line-height: 40px;
    color: #050505;
}
.course li a {
    display: block; /*转换为盒子模型 边框线可以显示在下面*/
    color: #050505;
}
.course li a:hover {
    border-bottom: 2px solid #00A4FF;
}
.keyword{
    float: left;
}
.keyword input {
    float: left;
    width: 341px;
    height: 40px;
    border-right: 0;
    color: #D6D0DB;
    border: 1px solid #00A4FF;
    padding-left: 20px;
}
.keyword button {
    width: 50px;
    height: 46px;
    float: left;
    border-left: 0;
    background: url(images/btn.png) no-repeat   ;
}
.picture {
    height: 42px;
    float: left;
margin-left: 30px;
line-height: 42px;

} 
.picture img{
    display: table-cell;
float: left;


}
.picture span {
  font-size: 14px;
    font-family: "微软雅黑";
    line-height: 32px;
    left: 60px
}
.banner {
    
    height: 420px;
    background: #1c036c url(images/banner2.jpg) no-repeat top center;
   
}
.nav-left {
    height: 420px;
    width: 160px;
    background-color: rgba(0, 0, 0, 0.3);
  padding: 0 20px;
  float: left;
  
}
.nav-left li {
   height: 45px;
   line-height: 45px;
}
.nav-left li a {
   font-size: 14px;
    height: 45px;
    line-height: 45px;
     color: white;
}
.nav-left a:hover {
    color: skyblue;
}
.nav-left li span {
    float: right;
}
.nav-right {
	width: 223px;
	height: 300px;
    background-color: white;
    margin-top: 50px;
    float: right;
}
.nav-right .course-top {
height: 43px;
line-height: 43px; 
text-align: center;   
font-size: 16px;
background-color: #9BCEEA;
color: white;
}
.courses  {
padding: 10px  15px; 
}
.courses li {
    height: 51px;
    border-bottom: 1px solid #CCCCCC;
    margin-top: 10px;
}
.courses li h4 {

    font-size: 14px;
    font-weight: normal;
}
.courses li p {
    font-size: 12px;
}
.courses-bottom {
    width: 198px;
    height: 40px;

}
.course-bottom a {
    display: block;
    margin-top: 10px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border: 1px solid #00A4FF;
}
.course-bottom a:hover {
    background-color:#00A4FF ;
    color: white;
}
.web {
    height: 60px;
    width: 1200px;
    margin: 0 auto;
  margin-top:10px ;
  background-color: #fff;
  box-shadow: 2px 2px 2px rgba(0, 0, 0, .2);
}
.web  .web-top  {
    float: left;
    height: 60px;
    line-height: 60px;
    text-align: center;
    margin: 0 30px;
    font-size: 16px;
    color: skyblue;
}
.span {
    margin: 20px 5px 0;
    width: 1px;
    height: 20px;
    background-color: #ccc;
}
.web  .span {
    float: left;
}
.web .web-center {
    float: left;
}
.web-center  {
    width: 50px;
    line-height: 60px;
    font-size: 16px;
    margin: 0 30px;
}
.xingqu {
    width: 70px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    margin-right: 30px;
    float: right;
    font-size: 16px;
    color: #52C5FF;
}

.title-w li {
    position: relative;
}
.title-w .wei {
    width: 40px;
    height: 24px;
    position: absolute;
    top: 5px;
    right: -5px;
}
.title {
 height: 60px;
}
.title  p{
    height: 60px;
    width: 80px;
   line-height: 60px;
    float: left;
    font-size: 20px;
    color: #494949;
}
.title a {
    width: 48px;
    height: 60px;
    line-height: 60px;
    font-size: 12px;
    float: right;
    color: #A5A5AD;
    margin-right: 30px;
}
.title-w img {
    width: 228px;
    height: 151px;
}
 .title-w {
    width: 1300px;
} 
.title-w li{
    width: 228px;
    height: 270px;
    float: left;
    margin: 0 20px 20px 0;
    box-shadow: 2px 2px 2px rgba(0, 0, 0, .3);
}
.title-w h4 {
    width: 188px;
    height: 38px;
    font-weight: 400;
    font-size: 14px;
    text-align: center;
    margin: 20px;
}

.title-w p {
    color:#9999A6;
    font-size: 12px;
    margin: 0 20px;
}
.title-w span {
    color: orange;
}

.zou {
    width: 432px;
    height: 149px;
    padding-top: 30px;
    float: left;
}
.zou p {
    font-size: 12px;
    height: 32px;
    margin: 20px 0;
}
.zou a {
    display: block;
    width: 126px;
    height: 36px;
    text-align: center;
    line-height: 36px;
    border: 1px solid skyblue;
    color: skyblue;
}
.you {
    display: block;
    height: 140px; 
    float: right;
  
}
.you dl {
   float: left;
   margin-left: 100px;
  
}
.you dt {
    width: 80px;
    height: 35px;
 font-size: 16px;
}
.you dd {
    font-size: 12px;
}
.you a {
    color:#333333;
}
.you a:hover {
    color: #004AFF;
}